3.4.4 Conclusions
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         The drogue handled well throughout the test. No problems were encountered in deploying or retrieving the equipment and no deterioration or damage was noted after the tests. In the speed range where the drogue would normally operate (under 15 f t/sec) , the average measured drag coefficient was 0.6 based on a drag area equivalent to ninety 5inch diameter cones for a total of 12.3 square feet. For the acceleration runs, which are similar to a breaking wave strike, the drag coefficient was 0.6 or greater when the drogue first took up the load. As the speed continued to increase, the drag coefficient dropped to 0.5 or less as the drogue straightened and the first few elements began to pull out of the water. Based on this testing, it is considered reasonable to use a drag coefficient of 0.6 for estimating the drag of a series drogue.

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